kvm: vmx: Add IA32_FLUSH_CMD guest support

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Expose IA32_FLUSH_CMD to the guest if the guest CPUID enumerates
support for this MSR. As with IA32_PRED_CMD, permission for
unintercepted writes to this MSR will be granted to the guest after
the first non-zero write.

Co-developed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20230201132905.549148-2-eesposit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Emanuele Giuseppe Esposito 2023-02-01 08:29:03 -05:00 • committed by Paolo Bonzini

parent fbc722aac1

commit a807b78ad0

2 changed files with 46 additions and 25 deletions

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3

arch/x86/kvm/vmx/nested.c

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68

arch/x86/kvm/vmx/vmx.c

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